Home / 74,746.59-103,151.66-40,755.35

Finding the Fourth Proportional to 74,746.59, 103,151.66 and 40,755.35

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Solution

The fourth proportional to 74,746.59, 103,151.66 and 40,755.35 is: 56,243.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,746.59 : 103,151.66 = 40,755.35 : x
  2. Step 2: Convert to fraction form
    74,746.59/103,151.66 = 40,755.35/x
  3. Step 3: Cross multiply
    74,746.59x = 103,151.66 × 40,755.35
  4. Step 4: Simplify right side
    74,746.59x = 4,203,981,286.85
  5. Step 5: Solve for x
    x = 4,203,981,286.85/74,746.59
  6. Step 6: Final answer
    x = 56,243.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.